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The temperatures in Southern Finland in October are quite cold with temperatures between 6°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Southern Finland. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Southern Finland during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Southern Finland.
Our weather forecast can give you a great sense of what weather to expect in Southern Finland in October 2025.
If you’re planning to visit Southern Finland in the near future, we highly recommend that you review the 14 day weather forecast for Southern Finland before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -5° | 4 | 8 | 19 | 60 mm | Awful | Southern Finland in January |
| February | -2° / -5° | 4 | 7 | 17 | 51 mm | Awful | Southern Finland in February |
| March | 1° / -3° | 7 | 10 | 15 | 46 mm | Awful | Southern Finland in March |
| April | 5° / 2° | 6 | 18 | 6 | 42 mm | Awful | Southern Finland in April |
| May | 11° / 7° | 5 | 25 | 1 | 60 mm | Ok | Southern Finland in May |
| June | 16° / 12° | 6 | 24 | 0 | 83 mm | Good | Southern Finland in June |
| July | 20° / 16° | 6 | 25 | 0 | 106 mm | Good | Southern Finland in July |
| August | 19° / 15° | 7 | 24 | 0 | 135 mm | Ok | Southern Finland in August |
| September | 15° / 12° | 6 | 24 | 0 | 91 mm | Good | Southern Finland in September |
| October | 9° / 6° | 8 | 20 | 3 | 90 mm | Awful | Southern Finland in October |
| November | 5° / 3° | 7 | 18 | 5 | 76 mm | Awful | Southern Finland in November |
| December | 1° / -1° | 7 | 11 | 14 | 72 mm | Awful | Southern Finland in December |
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